SAP Message CACSAPPL547 - It is not possible to determine the necessary adjustments

Diagnosis
For application &v1&, the system could not determine the steps that haveto be executed after the configuration is changed, in order to ensurethat the application is consistent.
This task is currently being executed by another process.

System Response
Current processing is terminated.

Procedure
You have either selected a new package, or activated an enhancement, orimported a new patch for application &v1&. To ensure that applicationV1 can continue to run, the system carries out the necessaryadjustments automatically. The error described above is preventing theautomatic execution of these adjustments.
Wait until the other processing activity is complete.